Reconfigurable Electronic Tune-Detune Circuit for RF Coil Systems

Peter Serano¹, Mathew Brevard¹, William Nastri¹, Reinhold Ludwig²

This paper proposes an electronic circuit that enables the rapid tuning and detuning of RF coil configurations. A reconfigurable circuit capable of providing either a -30V or -250V reverse bias voltage for PIN diode controlled coil systems was designed, constructed, and tested. The switching time between tune and detune states is typically within 1μs.